It completely depends on what kinds of foods you buy to eat. If you choose to buy the more expensive items then of course it's going to cost you more. Generally as I rule I think it would be about...
normally you spend about £50-£70 pounds a week on groceries
Well if you are in Australia the average money on groceries is usually 300 dollars, i think it is a bit expensive but that's my best answer.
i think on a average its about $261 really expensive ova there been there 3 times (its pretty cool but once you've gone there once you get bored)
$50.00